WO2021179975A1 - Bobine plane couplée, capteur de déplacement et produit électronique pouvant être porté - Google Patents

Bobine plane couplée, capteur de déplacement et produit électronique pouvant être porté Download PDF

Info

Publication number
WO2021179975A1
WO2021179975A1 PCT/CN2021/078963 CN2021078963W WO2021179975A1 WO 2021179975 A1 WO2021179975 A1 WO 2021179975A1 CN 2021078963 W CN2021078963 W CN 2021078963W WO 2021179975 A1 WO2021179975 A1 WO 2021179975A1
Authority
WO
WIPO (PCT)
Prior art keywords
coil
inductance
inductance coil
fabric substrate
coupled planar
Prior art date
Application number
PCT/CN2021/078963
Other languages
English (en)
Chinese (zh)
Inventor
叶涛
刘宇龙
王淼
夏丙一
Original Assignee
南方科技大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南方科技大学 filed Critical 南方科技大学
Publication of WO2021179975A1 publication Critical patent/WO2021179975A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G01D5/2066—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of a single coil with respect to a single other coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H01F2027/2809—Printed windings on stacked layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2804—Printed windings
    • H01F2027/2819—Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit

Definitions

  • This application relates to the technical field of induction coils, and in particular to a coupled planar coil, a displacement sensor and a wearable electronic product.
  • the existing inductor coil can be formed on a printed circuit board (Printed Circuit Board, PCB) or printed circuit board; or formed on a flexible printed circuit board.
  • PCB printed Circuit Board
  • flexible printed circuit boards has improved the shortcomings of traditional PCBs that are hard, heavy and not easily deformed, its complex manufacturing process leads to increased production costs and damage to the working environment. At the same time, its limited flexibility causes the copper foil to break after excessive deformation, so This type of inductive coil is not suitable for many applications of smart textiles.
  • the purpose of this application is to provide a coupled planar coil, a displacement sensor and a wearable electronic product to solve the above-mentioned problems.
  • the embodiment of the present application provides a coupled planar coil.
  • the coupled planar coil includes a first fabric substrate, a second fabric substrate, a first inductor coil, and a second inductor coil.
  • the first inductor coil and the second inductor Each of the coils includes a conductive fiber surrounded by multiple turns, the first inductance coil is disposed on the first fabric substrate, the second inductance coil is disposed on the second inductance coil, the first inductance coil and the first inductance coil are disposed on the Two inductance coils are stacked.
  • the conductive fibers of the first inductor coil may be sewn on the first fabric substrate, and the conductive fibers of the second inductor coil may be sewn on the second fabric substrate.
  • the first inductor coil may further include a first substrate
  • the second inductor coil may further include a second substrate
  • the conductive fibers of the first inductor coil are sewn on the first substrate
  • the second inductor A base is disposed on the first fabric substrate
  • the conductive fibers of the second inductor coil are sewn on the second base
  • the second base is disposed on the second fabric substrate.
  • the coupled planar coil may further include an elastic spacer, the elastic spacer is disposed between the first fabric substrate and the second fabric substrate, and one end of the elastic spacer is connected to the first fabric substrate. A fabric substrate is connected, and the other end of the elastic spacer is connected with the second fabric substrate.
  • the first inductance coil may be connected in series with the second inductance coil.
  • multiple turns of the conductive fibers may be arranged at equal intervals.
  • the coupled planar coil may further include a third fabric substrate and a third inductive coil, the third inductive coil includes a conductive fiber surrounded by multiple turns, and the third inductive coil is disposed on the third fabric substrate The third inductance coil and the first inductance coil are stacked, and the third fabric substrate is located on a side of the first inductance coil away from the second inductance coil.
  • the embodiment of the present application also provides a displacement sensor, the displacement sensor including a controller and any one of the aforementioned coupling planar coils, and the controller is electrically connected to the coupling planar coil;
  • the coupled planar coil is configured to output a first voltage to the controller when the first inductance coil and the second inductance coil are in a first state;
  • the coupling planar coil is configured to output a second voltage to the controller when the first inductance coil and the second inductance coil are in a second state;
  • the controller is configured to calculate a displacement value based on the first voltage and the second voltage.
  • the first voltage may be related to the number of turns of the first inductance coil, the coil parameters of the first inductance coil, the number of turns of the second inductance coil, and the number of turns of the second inductance coil. Coil parameter association.
  • the embodiment of the present application also provides a wearable electronic product, and the wearable electronic product includes any one of the above-mentioned displacement sensors.
  • the coupled planar coil provided by the embodiment of the present application includes a first fabric substrate, a second fabric substrate, a first inductor coil, and a second inductor coil. Both the first inductor coil and the second inductor coil include conductive fibers surrounded by multiple turns. An inductance coil is disposed on the first fabric substrate, the second inductance coil is disposed on the second inductance coil, and the first inductance coil and the second inductance coil are stacked. Since the first inductance coil and the second inductance coil are made of conductive fibers and are respectively arranged on different fabric substrates, this structure can not only realize the function of coupling the planar coil, but also reduce the volume and increase the volume of the coupled planar coil. The flexibility of the coupled planar coil is more suitable for wearable electronic products.
  • Fig. 1 shows a schematic structural diagram of a coupled planar coil provided by an embodiment of the present application.
  • Fig. 2 shows a schematic diagram of an inductor coil provided by an embodiment of the present application.
  • Fig. 3 shows a schematic diagram of an optional inductance coil provided by an embodiment of the present application.
  • Figure 4 shows a schematic diagram of the relationship between equivalent inductance and displacement of a circular coupled planar coil.
  • Figure 5 shows a schematic diagram of the relationship between equivalent inductance and displacement of a square coupled planar coil.
  • Fig. 6 shows a schematic structural diagram of an optional coupled planar coil provided by an embodiment of the present application.
  • Fig. 7 shows a schematic structural diagram of an optional coupled planar coil provided by an embodiment of the present application.
  • FIG. 8 shows a schematic structural diagram of a displacement sensor provided by an embodiment of the present application.
  • FIG. 9 shows a schematic structural diagram of an optional displacement sensor provided by an embodiment of the present application.
  • FIG. 10 shows a schematic structural diagram of a wearable electronic product provided by an embodiment of the present application.
  • FIG. 11 shows a schematic structural diagram of an optional wearable electronic product provided by an embodiment of the present application.
  • Icon 100-coupled planar coil; 110-first fabric substrate; 120-second fabric substrate; 130-first inductive coil; 140-second inductive coil; 150-elastic spacer; 160-first substrate; 170- The second base; 180-the third fabric substrate; 190-the third inductance coil; 200-displacement sensor; 210-controller; 300-wearable electronic product.
  • horizontal does not mean that the component is required to be absolutely horizontal or overhanging, but may be slightly inclined.
  • horizontal only means that its direction is more horizontal than “vertical”, and it does not mean that the structure must be completely horizontal, but can be slightly inclined.
  • the present application provides a coupled planar coil 100, which is softer and lighter than the existing coupled planar coil 100.
  • FIG. 1 is a schematic diagram of the structure of the coupled planar coil 100 provided in this application.
  • the coupled planar coil 100 includes a first fabric substrate 110, a second fabric substrate 120, a first inductance coil 130 and a second inductance coil 140. Both the first inductance coil 130 and the second inductance coil 140 include conductive fibers surrounded by multiple turns, The first inductor coil 130 is disposed on the first fabric substrate 110, the second inductor coil 140 is disposed on the second fabric substrate 120, and the first inductor coil 130 and the second inductor coil 140 are stacked.
  • first fabric substrate 110 is configured to provide a first inductor coil 130
  • second fabric substrate 120 is configured to provide a second inductor coil 140.
  • both the first fabric substrate 110 and the second fabric substrate 120 are non-conductive fabrics, such as non-woven fabrics, knitted fabrics, woven fabrics, woven cotton linen fabrics, and the like.
  • both the first fabric substrate 110 and the second fabric substrate 120 are made of stretchable fabric.
  • stretchable fabrics By using stretchable fabrics to make the first fabric substrate 110 and the second fabric substrate 120, it is advantageous for the first fabric substrate 110 and the second fabric substrate 120 to be deformed under external force to change the first inductance coil 130 and the second fabric substrate 120.
  • the relative displacement of the second inductance coil 140 changes the inductance value of the coupled planar coil 100.
  • the first inductor coil 130 is disposed on the first fabric substrate 110
  • the second inductor coil 140 is disposed on the second fabric substrate 120
  • the first inductor coil 130 and the second inductor coil 140 are stacked. It should be noted that the stacking arrangement of the first inductance coil 130 and the second inductance coil 140 can be understood as: the first inductance coil 130 and the second inductance coil 140 overlap in the vertical direction.
  • the first inductance coil 130 and the second inductance coil 140 both include conductive fibers surrounded by multiple turns.
  • the conductive fiber may be a twisted stainless steel wire bundle with a diameter of about 0.48 mm and a resistivity of about 9.3 ohm/m.
  • the conductive fibers of the first inductor coil 130 are sewn on the first fabric substrate 110, and the conductive fibers of the second inductor coil 140 are sewn on the second fabric substrate 120.
  • the user can use the Brother commercial embroidery machine PR670E to embroider the inductor coils on the first fabric substrate 110 and the second fabric substrate 120 at a stitch speed of 400 rpm to generate the first inductance coil 130 and the second inductance coil 140, the smallest stitch The length is 1mm.
  • FIG. 3 shows a schematic diagram of an optional inductor coil provided by an embodiment of the present application.
  • the first inductor coil 130 further includes a first substrate 160
  • the second inductor coil 140 further includes a second substrate 170.
  • the conductive fibers of the coil 130 are sewn on the first base 160, the first base 160 is set on the first fabric substrate 110, the conductive fibers of the second inductor coil 140 are sewed on the second base 170, and the second base 170 is set on the second fabric The substrate 120.
  • the first inductor coil 130 can be disposed on the first fabric substrate 110, and the second inductor coil 140 can be disposed on the second fabric substrate 120. Therefore, when the first inductance coil 130 or the second inductance coil 140 is damaged, the first inductance coil 130 or the second inductance coil 140 can be directly replaced without re-sewing the inductance coil on the fabric substrate, which is convenient for the user to replace.
  • the first inductance coil 130 and the second inductance coil 140 are connected in series.
  • the present application does not need to impose any restrictions on the shapes of the first inductance coil 130 and the second inductance coil 140, which can be specifically set according to the specific needs of the user.
  • the shape of the first inductance coil 130 and the second inductance coil 140 may be the same.
  • the first inductance coil 130 and the second inductance coil 140 are both concentric circular coils, concentric square coils, concentric star coils, or any other regular or irregular shapes.
  • the shapes of the first inductance coil 130 and the second inductance coil 140 may also be different.
  • the first inductance coil 130 and the second inductance coil 140 can have any two different shapes, for example, the first inductance coil 130 is a concentric circular coil, and the second inductance coil 140 is a concentric square coil.
  • the multi-turn conductive fibers of the first inductance coil 130 and the second inductance coil 140 are arranged at equal intervals.
  • the multi-turn conductive fibers may not be arranged at equal intervals.
  • the inductance of the coupled planar coil 100 is associated with the inductance of the first inductance coil 130 itself, the inductance of the second inductance coil 140 itself, and the mutual inductance formed between the first inductance coil 130 and the second inductance coil 140.
  • the inductance of the inductor coil itself is related to the number of turns of the coil, the coil parameters, and the permeability of the free space.
  • the mutual inductance formed between the first inductance coil 130 and the second inductance coil 140 is related to the position between the first inductance coil 130 and the second inductance coil 140.
  • the coil parameters include the average radius of the coil and the distance between the inner and outer coils of the coil.
  • the first inductance coil 130 is a concentric and equally spaced circular coil
  • the second inductance coil 140 is a concentric and equidistant square coil as an example, and the first inductance coil 130 and the first inductance coil 130 and the second inductance coil 130 are calculated in conjunction with FIG.
  • the inductance of the two inductance coil 140 is a concentric and equally spaced circular coil, and the second inductance coil 140 is a concentric and equidistant square coil as an example, and the first inductance coil 130 and the first inductance coil 130 and the second inductance coil 130 are calculated in conjunction with FIG.
  • the inductance of the two inductance coil 140 is a concentric and equally spaced circular coil, and the second inductance coil 140 is a concentric and equidistant square coil as an example, and the first inductance coil 130 and the first inductance coil 130 and
  • L 1 is the inductance of the first inductance coil 130
  • L 2 is the inductance of the second inductance coil 140
  • N 1 is The number of turns of the first inductive coil 130
  • N 2 is the number of turns of the second inductive coil 140
  • a 1 is the average radius of the first inductive coil 130
  • a 2 is the average radius of the second inductive coil 140
  • c 1 is the first The distance between the inner ring and the outer ring of the inductor coil 130
  • c 2 is the distance between the inner ring and the outer ring of the second inductor coil 140.
  • dout 1 is the outer diameter of the first inductance coil 130
  • dout 2 is the outer diameter of the second inductance coil 140
  • din 1 is the inner diameter of the first inductance coil 130
  • din 2 is the inner diameter of the second inductance coil 140.
  • the inventor takes the first inductance coil 130 and the second inductance coil 140 as circular coils, and takes the first inductance coil 130 and the second inductance coil 140 as square coils as examples to test the coupling plane.
  • the test environment is set up: the first fabric substrate 110 is fixed, and the second fabric substrate 120 is moved on the grid paper, and each displacement step is spaced 5 mm apart.
  • the first inductor coil 130 and the second inductor coil 140 are separated by a non-conductive fabric layer as insulation.
  • use the network analyzer to calibrate the adapter's terminals to eliminate the parasitic effects of the fixture, and set the measurement frequency to a total of 201 points from 1MHz to 50MHz.
  • FIG. 4 shows a schematic diagram of the relationship between the equivalent inductance of the coupled planar coil 100 of the circular coil and the displacement.
  • FIG. 5 shows a schematic diagram of the relationship between the equivalent inductance of the coupled planar coil 100 of the square coil and the displacement.
  • the relationship between the equivalent inductance change and displacement of the coupled planar coil 100 is very significant.
  • the equivalent inductance of the coupled planar coil 100 changes from 6.25uH to 3.0uH for the circular coil ,
  • the coupled plane coil 100 of the square coil has higher linearity than the coupled plane coil 100 of the circular coil. Therefore, in actual application, the user can measure the displacement between the first inductance coil 130 and the second inductance coil 140 according to the inductance of the coupled planar coil 100.
  • users can flexibly set the number of turns of the inductor coil and the size of the inductor coil according to their own requirements for inductance, thereby changing the sensitivity and measurement range of the coupled planar coil 100.
  • the embodiment of the present application also provides an optional coupled planar coil 100. It should be noted that the basic principle and technical effects of the coupled planar coil 100 provided in the embodiment of the present application are the same as those of the foregoing embodiment, which is a brief description. For the parts not mentioned in this embodiment, please refer to the corresponding content in the above embodiment.
  • the coupled planar coil 100 further includes an elastic spacer 150.
  • the elastic spacer 150 is disposed between the first fabric substrate 110 and the second fabric substrate 120. One end of the elastic spacer 150 is connected to the second fabric substrate. A fabric substrate 110 is connected, and the other end of the elastic spacer 150 is connected to the second fabric substrate 120.
  • the elastic spacer 150 will be stretched to cause a displacement between the first inductance coil 130 and the second inductance coil 140, so that the first inductance coil 130 and the second inductance coil 140
  • the mutual inductance between the two inductor coils 140 further changes the equivalent inductance of the coupled planar coil 100.
  • the embodiment of the present application also provides an optional coupled planar coil 100. It should be noted that the basic principle and technical effects of the coupled planar coil 100 provided by the embodiment of the present application are the same as those of the foregoing embodiment, which is a brief description. For the parts not mentioned in this embodiment, please refer to the corresponding content in the above embodiment.
  • FIG. 7 shows a schematic structural diagram of an optional coupled planar coil 100 provided by an embodiment of the present application.
  • the coupled planar coil 100 further includes a third fabric substrate 180 and a third inductive coil 190.
  • the third inductive coil 190 includes a conductive fiber surrounded by multiple turns.
  • the third inductive coil 190 is disposed on the third fabric substrate 180.
  • the third inductance coil 190 is stacked on the first inductance coil 130, and the third fabric substrate 180 is located on a side of the first inductance coil 130 away from the second inductance coil 140.
  • the more inductance coils included in the coupled plane coil 100 the smaller the area of each inductance coil and the smaller the area of the coupled plane coil 100 while the equivalent inductance of the coupled plane coil 100 remains unchanged.
  • the greater the number of inductance coils the more the measurement range and sensitivity of the coupled planar coil 100 will increase.
  • FIG. 8 shows a schematic structural diagram of the displacement sensor provided in the embodiment of the present application.
  • the displacement sensor 200 includes a controller 210 and the coupled planar coil 100 provided by any one of the above embodiments, and the controller 210 is electrically connected to the coupled planar coil 100.
  • the coupling plane coil 100 is configured to output a first voltage to the controller when the first inductance coil 130 and the second inductance coil 140 are in the first state; the coupling plane coil 100 is configured to be when the first inductance coil 130 and the second inductance coil 140 are in the In the second state, the second voltage is output to the controller.
  • the first state may be a state where the first inductance coil 130 and the second inductance coil 140 are completely overlapped; the second state may be before the first inductance coil 130 and the second inductance coil 140 The state of relative displacement.
  • the controller is configured to calculate the displacement value based on the first voltage and the second voltage.
  • both the first voltage and the second voltage are related to the number of turns of the first inductance coil 130, the coil parameters of the first inductance coil 130, the number of turns of the second inductance coil 140, and the coil parameters of the second inductance coil 140. Associated.
  • FIG. 9 shows a schematic structural diagram of the optional displacement sensor provided in the embodiment of the present application.
  • the displacement sensor 200 further includes other inductance coils, such as the third inductance coil 190
  • the first voltage should be when the first inductance coil 130, the second inductance coil 140, and the third inductance coil 190 are in a coincident state.
  • the second voltage is the voltage value output by the coupled planar coil 100 when there is a relative displacement between the first inductance coil 130, the second inductance coil 140, and the third inductance coil 190.
  • the embodiment of the present application also provides a wearable electronic product 300
  • FIG. 10 and FIG. 11 show schematic structural diagrams of the wearable electronic product provided by the embodiment of the present application. 10 and 11, the wearable electronic product 300 includes the displacement sensor 200 described above.
  • the wearable electronic product 300 can be, but is not limited to, sports vests, wrist guards, ankle guards and other equipment.
  • the coupled planar coil, displacement sensor, and wearable electronic product include a first fabric substrate, a second fabric substrate, a first inductor coil and a second inductor coil, and the first inductor coil and the second inductor
  • the coils all include conductive fibers surrounded by multiple turns.
  • the first inductance coil is disposed on the first fabric substrate
  • the second inductance coil is disposed on the second inductance coil
  • the first inductance coil and the second inductance coil are stacked.
  • first inductance coil and the second inductance coil are made of conductive fibers and are respectively arranged on different fabric substrates, this structure can not only realize the function of coupling planar coils, but also reduce the volume and increase the volume of the coupled planar coils.
  • the flexibility of the coupled planar coil is more suitable for wearable electronic products.
  • This application can be applied to the technical field of induction coils, and applied to coupled planar coils, displacement sensors, and wearable electronic products.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

L'invention concerne une bobine plane couplée, un capteur de déplacement et un produit électronique pouvant être porté, qui se rapportent au domaine technique des bobines d'induction. La bobine plane couplée comprend un premier substrat de tissu, un second substrat de tissu, une première bobine d'inductance et une seconde bobine d'inductance, chacune des bobines de la première bobine d'inductance et de la seconde bobine d'inductance comprenant une pluralité de spires de fibres conductrices environnantes ; la première bobine d'inductance est disposée sur le premier substrat de tissu ; la seconde bobine d'inductance est disposée sur le second substrat de tissu ; et la première bobine d'inductance et la seconde bobine d'inductance sont agencées dans un mode empilé. La première bobine d'inductance et la seconde bobine d'inductance sont toutes deux constituées des fibres conductrices et sont disposées sur différents substrats de tissu, respectivement. Cette structure peut non seulement réaliser la fonction de couplage de bobines planes mais peut également réduire la taille de la bobine plane couplée et augmenter la flexibilité de la bobine plane couplée et est plus appropriée pour des produits électroniques pouvant être portés.
PCT/CN2021/078963 2020-03-09 2021-03-03 Bobine plane couplée, capteur de déplacement et produit électronique pouvant être porté WO2021179975A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010157095.3A CN111312491B (zh) 2020-03-09 2020-03-09 耦合平面线圈、位移传感器及可穿戴电子产品
CN202010157095.3 2020-03-09

Publications (1)

Publication Number Publication Date
WO2021179975A1 true WO2021179975A1 (fr) 2021-09-16

Family

ID=71162053

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/078963 WO2021179975A1 (fr) 2020-03-09 2021-03-03 Bobine plane couplée, capteur de déplacement et produit électronique pouvant être porté

Country Status (2)

Country Link
CN (1) CN111312491B (fr)
WO (1) WO2021179975A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111312491B (zh) * 2020-03-09 2021-08-20 南方科技大学 耦合平面线圈、位移传感器及可穿戴电子产品
CN112865239A (zh) * 2021-01-22 2021-05-28 苏州大学 一种可缝制于织物的无线充电器件的制备方法及器件

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128614A (en) * 1990-06-06 1992-07-07 Siemens Aktiengesellschaft Compound core element having a pair of uniaxial anisotropic ferromagnetic cell components with different coercive field strength for a thin film sensor
CN104215165A (zh) * 2013-05-31 2014-12-17 浙江师范大学 一种一维位移精密测量方法
CN105556623A (zh) * 2013-09-26 2016-05-04 国际商业机器公司 可重构的多层叠电感器
CN205433673U (zh) * 2016-03-31 2016-08-10 杭州优体科技有限公司 一种穿戴式生理参数测量装置用电极
CN107488915A (zh) * 2017-10-10 2017-12-19 东华大学 一种机织结构可拉伸织物电路板及可穿戴设备
CN110123305A (zh) * 2019-04-13 2019-08-16 复旦大学 一种跨层优化的可穿戴心电采集系统
CN111312491A (zh) * 2020-03-09 2020-06-19 南方科技大学 耦合平面线圈、位移传感器及可穿戴电子产品

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002229050A1 (en) * 2000-11-30 2002-06-11 Asylum Research Corporation Improved linear variable differential transformers for high precision position measurements
CN1215559C (zh) * 2002-11-12 2005-08-17 威盛电子股份有限公司 双层对称式固体电路变压器
JP6148234B2 (ja) * 2011-08-04 2017-06-14 ワイトリシティ コーポレーションＷｉｔｒｉｃｉｔｙ Ｃｏｒｐｏｒａｔｉｏｎ 整調可能無線電力アーキテクチャ
CN108140464B (zh) * 2015-08-07 2020-07-03 纽卡润特有限公司 用于使用磁场耦合来进行无线电力发送的单层多模式天线
JP2017072536A (ja) * 2015-10-09 2017-04-13 株式会社Ihi 導電性複合材料の繊維の配列の乱れの検出方法、及び導電性複合材料の繊維の配列の乱れの検出装置
CN109648978A (zh) * 2017-10-11 2019-04-19 绍兴柯桥名瑶纺织品有限公司 一种针织面料

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128614A (en) * 1990-06-06 1992-07-07 Siemens Aktiengesellschaft Compound core element having a pair of uniaxial anisotropic ferromagnetic cell components with different coercive field strength for a thin film sensor
CN104215165A (zh) * 2013-05-31 2014-12-17 浙江师范大学 一种一维位移精密测量方法
CN105556623A (zh) * 2013-09-26 2016-05-04 国际商业机器公司 可重构的多层叠电感器
CN205433673U (zh) * 2016-03-31 2016-08-10 杭州优体科技有限公司 一种穿戴式生理参数测量装置用电极
CN107488915A (zh) * 2017-10-10 2017-12-19 东华大学 一种机织结构可拉伸织物电路板及可穿戴设备
CN110123305A (zh) * 2019-04-13 2019-08-16 复旦大学 一种跨层优化的可穿戴心电采集系统
CN111312491A (zh) * 2020-03-09 2020-06-19 南方科技大学 耦合平面线圈、位移传感器及可穿戴电子产品

Also Published As

Publication number Publication date
CN111312491B (zh) 2021-08-20
CN111312491A (zh) 2020-06-19

Similar Documents

Publication Publication Date Title
WO2021179975A1 (fr) Bobine plane couplée, capteur de déplacement et produit électronique pouvant être porté
CN106802739B (zh) 触控点检测电路、电感式触控屏及触控显示装置
CN104297534A (zh) 悬臂式高频探针卡
US11621124B2 (en) Air-core inductor assembly
CN106020522A (zh) 感压传感器
CN206878171U (zh) 一种单面走线的近场通信天线及移动终端
CN104297536A (zh) 具回馈测试功能的探针模块
US20130057505A1 (en) Electromagnetic inductive input apparatus
JP6012038B2 (ja) 電磁誘導方式の位置検出センサ及び位置検出装置
JP6278994B2 (ja) パワーフィルター
CN109656409A (zh) 一种触控显示面板及显示装置
CN204335152U (zh) 一种柔性印刷电路板及显示装置
TWI636636B (zh) 電能發射天線及應用其的電能發射裝置
CN207780812U (zh) 一种指纹模组及电子装置
KR102350976B1 (ko) 전도성 소재용 저항측정장치
WO2010004491A1 (fr) Agencement de bobines toroïdales
CN105277754B (zh) 探针卡及其转接电路板与讯号馈入结构
KR102279960B1 (ko) 터치센서 모듈
JP2023041074A (ja) 異物検出装置、送電装置、受電装置および電力伝送システム
TWI624843B (zh) Inductive component assembly structure
CN107027241B (zh) 具磁感应线圈及软板的增层载板结构
CN218601368U (zh) 一种电流互感器
JP6693293B2 (ja) ワイヤレス受電装置、及びこれを用いた電子機器
JP2016136456A (ja) 生体信号計測用衣服
CN108776552A (zh) 显示面板和显示装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21767983

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21767983

Country of ref document: EP

Kind code of ref document: A1